/*
* Copyright (C) 2017 IOTA Foundation
*
* Authors: pinpong, adrianziser, saschan
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
package org.iota.wallet.ui.fragment;
import android.graphics.Color;
import android.graphics.Paint;
import android.os.Bundle;
import android.support.annotation.Nullable;
import android.support.v4.content.ContextCompat;
import android.support.v7.app.AppCompatActivity;
import android.support.v7.widget.Toolbar;
import android.text.Spannable;
import android.text.SpannableString;
import android.text.format.Formatter;
import android.text.style.ForegroundColorSpan;
import android.text.style.RelativeSizeSpan;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.widget.ListView;
import com.github.mikephil.charting.animation.Easing;
import com.github.mikephil.charting.charts.Chart;
import com.github.mikephil.charting.charts.PieChart;
import com.github.mikephil.charting.components.Legend;
import com.github.mikephil.charting.data.Entry;
import com.github.mikephil.charting.data.PieData;
import com.github.mikephil.charting.data.PieDataSet;
import com.github.mikephil.charting.data.PieEntry;
import com.github.mikephil.charting.formatter.PercentFormatter;
import com.github.mikephil.charting.highlight.Highlight;
import com.github.mikephil.charting.listener.OnChartValueSelectedListener;
import com.github.mikephil.charting.utils.ColorTemplate;
import org.greenrobot.eventbus.Subscribe;
import org.iota.wallet.R;
import org.iota.wallet.api.TaskManager;
import org.iota.wallet.api.requests.NodeInfoRequest;
import org.iota.wallet.api.responses.NodeInfoResponse;
import org.iota.wallet.api.responses.error.NetworkError;
import org.iota.wallet.helper.Utils;
import org.iota.wallet.model.NodeInfo;
import org.iota.wallet.ui.adapter.NodeInfoListAdapter;
import java.text.SimpleDateFormat;
import java.util.ArrayList;
import java.util.Date;
import java.util.List;
import java.util.Locale;
import butterknife.BindView;
import butterknife.ButterKnife;
import butterknife.Unbinder;
public class NodeInfoFragment extends BaseSwipeRefreshLayoutFragment implements OnChartValueSelectedListener {
private List<NodeInfo> nodeInfos;
@BindView(R.id.node_info_toolbar)
Toolbar nodeInfoToolbar;
@BindView(R.id.iri_info_list)
ListView list;
@BindView(R.id.node_info_chart)
PieChart chart;
private Unbinder unbinder;
@Override
public View onCreateView(LayoutInflater inflater, @Nullable ViewGroup container, @Nullable Bundle savedInstanceState) {
View view = inflater.inflate(R.layout.fragment_node_info, container, false);
unbinder = ButterKnife.bind(this, view);
swipeRefreshLayout = view.findViewById(R.id.node_info_swipe_container);
return view;
}
@Override
public void onViewCreated(View view, @Nullable Bundle savedInstanceState) {
super.onViewCreated(view, savedInstanceState);
((AppCompatActivity) getActivity()).setSupportActionBar(nodeInfoToolbar);
chart.setNoDataText(getString(R.string.messages_no_chart_data));
chart.setNoDataTextColor(ContextCompat.getColor(getActivity(), R.color.colorPrimary));
chart.setEntryLabelColor(ContextCompat.getColor(getActivity(), R.color.colorPrimary));
Paint p = chart.getPaint(Chart.PAINT_INFO);
p.setColor(ContextCompat.getColor(getActivity(), R.color.colorAccent));
initializeChart();
}
@Override
public void onDestroyView() {
if (unbinder != null) {
unbinder.unbind();
unbinder = null;
}
super.onDestroyView();
}
@Override
public void onResume() {
super.onResume();
getNodeInfo();
}
@Override
public void onHiddenChanged(boolean hidden) {
super.onHiddenChanged(hidden);
if (!hidden)
getNodeInfo();
}
private void getNodeInfo() {
TaskManager rt = new TaskManager(getActivity());
NodeInfoRequest nir = new NodeInfoRequest();
rt.startNewRequestTask(nir);
if (!swipeRefreshLayout.isRefreshing()) {
swipeRefreshLayout.post(new Runnable() {
@Override
public void run() {
swipeRefreshLayout.setRefreshing(true);
}
});
}
}
@Subscribe
public void onEvent(NodeInfoResponse nir) {
swipeRefreshLayout.setRefreshing(false);
SimpleDateFormat df = new SimpleDateFormat("yyyy/MM/dd HH:mm:ss", Locale.getDefault());
nodeInfos = new ArrayList<>();
nodeInfos.add(new NodeInfo(getString(R.string.info_app_name), nir.getAppName()));
nodeInfos.add(new NodeInfo(getString(R.string.info_app_version), nir.getAppVersion()));
nodeInfos.add(new NodeInfo(getString(R.string.info_jre_version), nir.getJreVersion()));
nodeInfos.add(new NodeInfo(getString(R.string.info_max_processors), nir.getJreAvailableProcessors() + ""));
nodeInfos.add(new NodeInfo(getString(R.string.info_free_memory), Formatter.formatShortFileSize(getActivity(), nir.getJreFreeMemory())));
nodeInfos.add(new NodeInfo(getString(R.string.info_max_memory), Formatter.formatShortFileSize(getActivity(), nir.getJreMaxMemory())));
nodeInfos.add(new NodeInfo(getString(R.string.info_total_memory), Formatter.formatShortFileSize(getActivity(), nir.getJreTotalMemory())));
nodeInfos.add(new NodeInfo(getString(R.string.info_latest_milestone), nir.getLatestMilestone()));
nodeInfos.add(new NodeInfo(getString(R.string.info_latest_milestone_index), nir.getLatestMilestoneIndex()));
nodeInfos.add(new NodeInfo(getString(R.string.info_latest_milestone_solid_subtangle), nir.getLatestSolidSubtangleMilestone()));
nodeInfos.add(new NodeInfo(getString(R.string.info_latest_milestone_solid_subtangle_index), nir.getLatestSolidSubtangleMilestoneIndex()));
nodeInfos.add(new NodeInfo(getString(R.string.info_neighbors), nir.getNeighbors()));
nodeInfos.add(new NodeInfo(getString(R.string.info_packets_queue_size), nir.getPacketsQueueSize()));
nodeInfos.add(new NodeInfo(getString(R.string.info_time), df.format(new Date(nir.getTime()))));
nodeInfos.add(new NodeInfo(getString(R.string.info_tips), nir.getTips()));
nodeInfos.add(new NodeInfo(getString(R.string.info_transactions_to_request), nir.getTransactionsToRequest()));
setAdapter();
updateChart(nir.getTips(), nir.getTransactionsToRequest());
}
@Subscribe
public void onEvent(NetworkError error) {
switch (error.getErrorType()) {
case REMOTE_NODE_ERROR:
swipeRefreshLayout.setRefreshing(false);
chart.setVisibility(View.INVISIBLE);
nodeInfos.clear();
setAdapter();
break;
}
}
@Override
public void onRefresh() {
getNodeInfo();
}
private void setAdapter() {
NodeInfoListAdapter nodeInfoListAdapter = new NodeInfoListAdapter(getActivity(), R.layout.item_node_info, nodeInfos);
Utils.fixListView(list, swipeRefreshLayout);
list.setAdapter(nodeInfoListAdapter);
}
private void initializeChart() {
chart.setUsePercentValues(true);
chart.getDescription().setEnabled(false);
chart.setDragDecelerationFrictionCoef(0.95f);
chart.setCenterText(generateCenterSpannableText());
chart.setExtraOffsets(15.f, 15.f, 15.f, 15.f);
chart.setDrawHoleEnabled(true);
chart.setHoleColor(Color.WHITE);
chart.setTransparentCircleColor(Color.WHITE);
chart.setTransparentCircleAlpha(110);
chart.setHoleRadius(58f);
chart.setTransparentCircleRadius(61f);
chart.setDrawCenterText(true);
chart.setRotationAngle(0);
// enable rotation of the chart by touch
chart.setRotationEnabled(true);
chart.setHighlightPerTapEnabled(true);
// add a selection listener
chart.setOnChartValueSelectedListener(this);
Legend l = chart.getLegend();
l.setVerticalAlignment(Legend.LegendVerticalAlignment.BOTTOM);
l.setHorizontalAlignment(Legend.LegendHorizontalAlignment.LEFT);
l.setOrientation(Legend.LegendOrientation.HORIZONTAL);
l.setDrawInside(false);
l.setEnabled(true);
}
private void updateChart(long tips, long transactionsToRequest) {
chart.setVisibility(View.VISIBLE);
setData(tips, transactionsToRequest);
chart.animateY(1400, Easing.EasingOption.EaseInOutQuad);
}
private SpannableString generateCenterSpannableText() {
SpannableString s = new SpannableString(getString(R.string.transactions));
s.setSpan(new RelativeSizeSpan(0.75f), 0, 0, Spannable.SPAN_EXCLUSIVE_EXCLUSIVE);
s.setSpan(new ForegroundColorSpan(ContextCompat.getColor(getActivity(), R.color.colorAccent)), 0, s.length(), Spannable.SPAN_EXCLUSIVE_EXCLUSIVE);
return s;
}
private void setData(long tips, long transactionsToRequest) {
ArrayList<PieEntry> entries = new ArrayList<>();
entries.add(new PieEntry(tips, getString(R.string.tips) + " " + "(" + tips + ")"));
entries.add(new PieEntry(transactionsToRequest, getString(R.string.transactions_to_request) + " " + "(" + transactionsToRequest + ")"));
PieDataSet dataSet = new PieDataSet(entries, getString(R.string.transactions) + "\n(" + (tips + transactionsToRequest) + ")");
dataSet.setSliceSpace(3f);
dataSet.setSelectionShift(5f);
// add a lot of colors
ArrayList<Integer> colors = new ArrayList<>();
for (int c : ColorTemplate.LIBERTY_COLORS)
colors.add(c);
dataSet.setColors(colors);
dataSet.setValueLinePart1OffsetPercentage(80.f);
dataSet.setValueLinePart1Length(0.2f);
dataSet.setValueLinePart2Length(0.4f);
dataSet.setXValuePosition(PieDataSet.ValuePosition.OUTSIDE_SLICE);
dataSet.setYValuePosition(PieDataSet.ValuePosition.OUTSIDE_SLICE);
dataSet.setValueTextColor(ContextCompat.getColor(getActivity(), R.color.colorPrimary));
PieData data = new PieData(dataSet);
data.setValueFormatter(new PercentFormatter());
data.setValueTextSize(12f);
data.setValueTextColor(ContextCompat.getColor(getActivity(), R.color.colorPrimary));
chart.setData(data);
// undo all highlights
chart.highlightValues(null);
chart.invalidate();
}
@Override
public void onValueSelected(Entry e, Highlight h) {
}
@Override
public void onNothingSelected() {
}
}
